- Same Day Priority Shipping Available -
SuperClub

ABB / General Electric THQB1120 - 20A 1 Pole Miniature Circuit Breaker

Brand ABB / General Electric
SKU THQB1120
4.9
Rated 4.9 out of 5 stars
99 Reviews
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99

ABB / General Electric THQB1120 - 20A 1 Pole Miniature Circuit Breaker

Brand ABB / General Electric
SKU THQB1120
4.9
Rated 4.9 out of 5 stars
99 Reviews
Select Item Condition
Earn 12 SuperPoints

Quantity
Planning a Big Order?
Bulk pricing available—let us know your needs for a quote.
Get a quote
Shop with Confidence
Enjoy a free 60-day warranty, extendable to 1 year at checkout.
Learn more

ABB / General Electric THQB1120 - 20A 1 Pole Miniature Circuit Breaker

New

$12.30 In stock

Quantity

DescriptionSpecificationsSuperClubWarranties
Description
Engineered for commercial power distribution, the GE THQB1120 is a 1-pole, 20A circuit breaker providing reliable thermal-magnetic protection for branch circuits. This unit installs into GE A-Series, AQ lighting, and ReliaGear RQ panelboards via a bolt-on connection. Terminals accept 14-8 AWG copper or 12-8 AWG aluminum wire. Delivering 10kAIC at 120/240VAC, the breaker features a quick-make/quick-break mechanism. It is SWD-rated for fluorescent lighting and HACR-rated for HVAC equipment.

Specifications

Brand ABB / General Electric
Series THQB
Part Number THQB1120
Amperage 20A
Voltage 120/240VAC
Poles 1
Phase 1
AIC Rating 10kA @ 120/240VAC
Mounting Style Bolt-On
Terminal Type Box Lugs
For Use With GE A-Series Panelboards, GE AQ Lighting Panels, ReliaGear RQ Panelboards
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Wire Gauge 14-8 AWG (Cu), 12-8 AWG (Al)
Max Wire 8 AWG
Min Wire 14 AWG (Cu), 12 AWG (Al)
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment
Accessories Load Side Lugs Included
Standards CSA C22.2 No. 5, NEMA AB 1, UL 489
Approval CSA, HACR, SWD, UL
Temp Rating 40C
Construction Features HACR Rated, SWD Rated, Quick-Make/Quick-Break, Non-Interchangeable Trip

SuperClub

Get rewarded every time you shop! Join SuperClub for free and start earning points on every purchase, unlocking exclusive discounts, special promos, and VIP perks. Already a member? Keep shopping to level up your rewards and enjoy even more benefits, including faster shipping, extended returns, and premium offers.

Learn more about SuperClub

Warranties

We’ve got you covered!

When shopping with SuperBreakers, you’ll have peace of mind knowing that every single item you purchase includes a 60 day warranty, free of charge. Why such confidence? Because only the highest quality electrical parts have a place on our shelves, and we stand by every single one we sell.

If anything goes wrong with your item that is not a result of misuse or normal wear and tear, we’ll gladly replace it at no cost to you.

Click here to read our full warranty details

Shipping

Free Shipping Policy

Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.

Click here to read our full shipping policy
Same Day Shipping

We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments

Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping

All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.

4.9
Rated 4.9 out of 5 stars
Based on 99 reviews
Total 5 star reviews: 94 Total 4 star reviews: 4 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 1
Reviews Summary
Customers say these electrical breakers arrive quickly and in excellent condition. Many reviews mention competitive pricing and reliable availability, particularly for hard-to-find models. The products consistently match specifications, with frequent comments about accurate order fulfillment. Some note significant cost savings compared to local suppliers. Most users appreciate the protective packaging and prompt delivery timeframes.
Search
Search Reviews
Rating
Ratings
Write a Review (Opens in a new window)
99 reviews
  • AR
    Alexander R.
    Verified Buyer
    Reviewing
    ABB / General Electric THQB2120 - 20A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/8/26
    BREAKERS!

    BEST BREAKER IN TOWN!

    Was this helpful?
  • BP
    BJ P.
    Verified Buyer
    Reviewing
    ABB / General Electric THQB2130 - 30A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/1/26
    THQB2130 - 30A 2 Pole Miniature Circuit Breaker

    The item arrived quickly, was well packaged, and worked perfectly as expected.

    Installation was easy, and the breaker fits well and saves space with its duplex design.

    Was this helpful?
  • JR
    Jerry R.
    Verified Buyer
    Reviewing
    ABB / General Electric THQB2140GFEP - 40A GFEP Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/5/26
    Arrived on time!

    Good condition.

    Was this helpful?
  • KG
    Kris G.
    Verified Buyer
    Reviewing
    ABB / General Electric THQB2140GFEP - 40A GFEP Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/26/26
    Great

    Works great. Good price

    Was this helpful?
  • RY
    Russell Y.
    Verified Buyer
    Reviewing
    ABB / General Electric THQB32020 - 20A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/24/26
    Breaker

    The process was exceptional, from ordering to shipping and the product was exactly what we needed for our car wash location

    Was this helpful?

Related Products

Recently Viewed